The comparison is more surprising when you consider Wolf is a distant cousin of Obama's. Wolf is running in the Republican primary to unseat incumbent Sen. Pat Roberts (R-KS), who he said isn't conservative enough.

Wolf also argued to another Twitter user that American liberals are virtually in lockstep policy-wise with Nazis.

"Other than killing Jews, what domestic policy of the Nazis do today's American liberals oppose?" Wolf tweeted.

Wolf has, however, also heaped praise on Obama in the past.

"I speak for nobody but myself but we are all enormously proud of him and his achievement and it has been a tremendous honor to be in the family that gets put in the front row of history," Wolf said in an interview with Fox News in 2010 also flagged by Mother Jones.